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Solid state drives, referred to as solid state drives, are hard disks made of solid-state electronic memory chip arrays, which are composed of control units and storage units (flash chips, DRAM chips).
The new generation of SSDs generally uses SATA-2 interface, SATA-3 interface, SAS interface, MSATA interface, PCI-E interface, NGFF interface, CFast interface and SFF-8639 interface.
In addition to the main control chip and cache chip, most of the rest of the position on the PCB board is NAND flash memory chip. NAND flash memory chips are divided into SLC (single-layer cell), MLC (multi-layer cell) and TLC (three-layer cell) NAND flash memory.
SLC, English full name single-level cell, 1bit cell, single-level storage, only allows one bit of information to be stored in a memory element.
MLC, full name of multi-level cell, 2bit cell, multi-level storage, allows to store 2 bits of information in a memory element.
TLC, English full name Trinary-Level Cell, 3bit cell, three-tier storage, allows to store 3 bits of information in a memory element.
It follows that when the flash memory particles have the same area, the storage capacity goes from small to large: SLC
Analysis of the advantages and disadvantages of SLC, MLC, TLC flash memory chip particles.
SLC, fast access rate, high number of rewrite cycles (long service life), but expensive to produce (at least three times that of MLC).
MLC, the access rate is fast, and the number of rewrite times is less than that of SLC (the service life is about one-tenth of that of SLC), ** average.
TLC, slower access rate, further reduced number of rewrite times (about one-twentieth the lifespan of SLC),** relatively inexpensive.
Puket, Samsung, Intel, Micron, the representative models are M5P, 840Pro, 520, M4. Other brands basically don't need to be considered.
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In recent years, the price of SSDs has continued to fall, and 240GB capacity SSDs have gradually become mainstream, and the current new installation will directly match a single 240G capacity SSD, so is the SSD 240G HDD enough? How to partition a 240g SSD properly? Let's introduce it to you.
Is a solid-state 240g hard drive sufficient?
1. For a 240G capacity SSD, it is a medium-capacity SSD. The actual capacity of the 240G SSD is about 223GB, of course, compared to the mechanical hard disk, this is undoubtedly small, because the current SSD is mainly used as a system disk to accelerate the use, so the 240GB SSD hard disk is enough;
2. As for whether the specific is enough, we also need to look at the needs of individuals, different needs are different for the needs of capacity, 240GB SSD is enough for the vast majority of ordinary users, at least one to two years is completely enough. If it is a big data storage, professional design, and installation of many large games, 240G is definitely not enough, but we can use a solid-state + mechanical dual hard disk solution, taking into account speed and storage;
3. Generally speaking, we recommend that 60G is completely sufficient for the system C disk partition, in addition to the space occupied by the system, it is mainly used for some junk files generated by the system, desktop files, etc., generally all our software and games are not installed in the C disk, so our capacity is basically only 223GB-60GB = 163GB. 60GB for C disk, D disk 80G, the remaining 83G for the last disk is more reasonable, the key is to see personal needs;
4. If you are a combination of SSD + HDD, then SSD is only recommended to be divided into two hard disks, 60GB for C drive, D drive 163G, we usually use the most software or games to install the SSD D disk, which is used to improve the read and write speed, and the mechanical hard disk is used as storage;
The above is the introduction of solid-state 240g hard disk, whether the solid-state 240g hard disk is enough mainly depends on personal needs, it is still enough for many people, I hope it can help everyone.
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The answer is barely enough! The system partition C disk should be at least 80G, and the D disk is loaded with software, and there are less than 160 left, and it is still okay if there is not much software. It is recommended to upgrade to a 500g solid-state state, which is abundant.
Q: Can I use it with a hard drive?
Just made a mistake and it was a 256g SSD.
How to divide a 256G SSD plus a 1T HDD?
Second, it is generally necessary to get the SSD first, and after finding the SSD, click on it again.
3. After clicking on the fixed state or the new mechanical hard disk, there is a [Partition] button on the left side, and you can also merge partitions here.
4. Enter the partition interface, then adjust the partition size after returning, and the SSD will directly click on the allocation amount. The capacity of 1T HDD is divided into two areas, and the average size can be determined by yourself.
5. Return to the main interface, click on the SSD again, then select Format, and then click the [Submit] button in the upper left corner to start partitioning.
6. Just wait for the partition to end.
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It depends on how you use it, the sub-system disk is 50g, and there is 190g left, which must be enough for daily use. If you need to put a lot of large files, you can consider adding a mechanical hard disk, which is very popular now, solid state + mechanical dual hard disk.
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It's enough for you, it depends on your personal situation, and people play a lot of games, and some people just play that game, and they can't answer when they ask other people.
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When buying an SSD, you have to choose according to your needs.
1. Pursue compatibility and longevity: If it is an upgrade of the old book, compatibility is particularly important. Because there are quite a lot of compatibility problems with SSDs. For good compatibility and long life, choose Intel and Kingston.
Intel's 530 and 520 performance is very scum, the only advantage is that it has a long life and good compatibility, it is better for small businesses to use, and it is a bit slow for home use, it is best to choose 730, which is almost an overclocked version of enterprise-level S3500, the main control is over 50%, and the performance is directly chasing S3700, but it is much cheaper, very durable, and has both performance and compatibility.
Kingston's V300 series is the lowest level of reliable and long-life SSDs, less than 300 yuan.
2. The pursuit of cost performance: Solid-state drives have been used for a long time, and the speed is generally more severe, but some main control mechanisms are good, so they don't slow down much. The speed drop on the market is not obvious, and the following models have the best cost performance and reputation:
Puket M6S, SanDisk Extreme High-Speed Series 1st generation (2nd generation has changed to TLC, the speed is the same, the life is shorter), Samsung 850EVO, Micron M550 or or 128G, most of them are less than 400. Some are already close to 300.
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400 yuan 240g?
It's so cheap.
Generally, the good ones are about 600 yuan.
Pucot, Samsung, Intel, Micron.
These are the best.
You say both of them are pretty much the same.
Either way. Feel free to buy it.
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SSDs are almost the same, but I personally recommend buying a motherboard, the speed is still very high, basically a grade higher than the solid-state.
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There is a big difference between 120G and 240G SSDs.
There is no difference between G and 240G in performance, but there is a big difference in capacity. If you want your computer to be a little faster, the bigger the solid, the better. 240G is faster than 120G, if it is the same particle and the same master, because the particle capacity of each SSD is fixed, so the larger the capacity, the more grains, the more channels, and the faster the speed.
3. The difference in **. 240g is higher than 120g**.
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If the original mechanical hard disk is still in use, 120g is enough. Solid-state is only used to install the programs commonly used in the system. If you only need a solid one, it is recommended to use a 240g one. The 120g capacity is a bit small.
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Landlord,Hello,Installing solid-state in the past is just to install a system disk.,But now the solid-state ** is lower and the capacity is larger,If you want the computer to be faster,It must be the bigger the solid-state, the better.,120G solid-state is just a system.,I'm afraid other software can't be installed so much.,The significance of installing solid-state is the improvement of speed.,Software must be in the solid-state drive You can feel fast,If it's still in the machine, there is no improvement。 It is recommended that if you have money, you can go to 240 If you don't have money, you can use 120 for this configuration.
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Compared with SSD 120G and 240G, there are the following differences:
1. The usable capacity is different from **.
This is the most intuitive difference, with 240G having twice the capacity of 120G and allowing more software and games to be installed. In addition, in terms of ** per GB of capacity, 240 is more cost-effective.
2. The service life is different.
Because of the large capacity of the 240, it takes longer to completely erase once than the 120, and the 240 has a longer service life with the same number of erases.
3. The read and write performance is different.
With the same SSD make and model, the 240 has faster read and write speeds than the 120.
4. Redundancy optimization is different.
Capacity 120 is to retain 8G in 128G flash memory for redundancy optimization, and this 8G capacity cannot be used directly. Similarly, the capacity 240 retains 16G redundancy out of 256G. The more redundant capacity, the better, and these redundancies can allow your SSD to recover faster and last longer.
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Obviously, SSDs are good. A 1T HDD is not as expensive as a 250G solid-state drive.
Benefits of SSDs and the difference between SSDs and HDDs.
1.Quick start, no motor to accelerate the process of rotation.
Under the same configuration of the two computers, a laptop with an SSD took only 18 seconds to turn on the desktop and a laptop with a traditional hard drive took a total of 31 seconds, which is almost half the difference.
3.Relatively fixed read time. Because the addressing time is independent of where the data is stored, disk fragmentation does not affect the read time.
4.DRAM-based SSDs have extremely fast write speeds.
5.No noise. Because there is no mechanical motor and fan, the noise level is 0 dB when working. Some high-end or high-capacity products are equipped with fans, so they still generate noise.
6.Low-capacity flash-based SSDs consume less energy and heat in operation, but high-end or high-capacity products consume more energy.
7.There are no mechanical moving parts inside, no mechanical failure will occur, and there is no fear of collision, shock, vibration. This does not affect normal use, even when moving at high speeds or even with flipping and tilting, and minimizes the possibility of data loss in the event of an accidental drop or collision with a hard object.
8.Wider operating temperature range. A typical hard drive can only work in the range of 5 to 55 degrees Celsius.
While most SSDs can operate at -10 to 70 degrees Celsius, some industrial-grade SSDs can also operate in temperatures ranging from -40 to 85 degrees Celsius or even greater.
9.Low-capacity SSDs are smaller and lighter than HDDs of the same capacity. However, this advantage gradually diminishes as the capacity increases. Up to 256GB, SSDs are still lighter than HDDs of the same capacity.
If you're not worse than two or three hundred, you can buy a solid-state system and a mechanical two-disk to use together, a solid-state system, and a mechanical hard disk to store things. It's the best match.
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Solid state is stronger than machine in terms of operating speed, but the capacity is too small.
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If it's just surfing the Internet, writing documents, etc., it's definitely an SSD, and it's much better to use.
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Solid, fast don't don't don't want.
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